Module: Groupify::ActiveRecord::Group::ClassMethods

Defined in:
lib/groupify/adapter/active_record/group.rb

Defined Under Namespace

Modules: MemberAssociationExtensions

Instance Method Summary collapse

Instance Method Details

#default_member_class ⇒ Object 



56
57
58
 
# File 'lib/groupify/adapter/active_record/group.rb', line 56

def default_member_class
  @default_member_class ||= (User rescue false)
end

#default_member_class=(klass) ⇒ Object 



60
61
62
 
# File 'lib/groupify/adapter/active_record/group.rb', line 60

def default_member_class=(klass)
  @default_member_class = klass
end

#has_members(name) ⇒ Object

Define which classes are members of this group



70
71
72
73
 
# File 'lib/groupify/adapter/active_record/group.rb', line 70

def has_members(name)
  klass = name.to_s.classify.constantize
  register(klass)
end

#member_classes ⇒ Object

Returns the member classes defined for this class, as well as for the super classes



65
66
67
 
# File 'lib/groupify/adapter/active_record/group.rb', line 65

def member_classes
  (@member_klasses ||= Set.new).merge(superclass.method_defined?(:member_classes) ? superclass.member_classes : [])
end

#merge!(source_group, destination_group) ⇒ Object

Merge two groups. The members of the source become members of the destination, and the source is destroyed.



76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/groupify/adapter/active_record/group.rb', line 76

def merge!(source_group, destination_group)
  # Ensure that all the members of the source can be members of the destination
  invalid_member_classes = (source_group.member_classes - destination_group.member_classes)
  invalid_member_classes.each do |klass|
    if klass.joins(:group_memberships).where(:group_memberships => {:group_id => source_group.id}).count > 0
      raise ArgumentError.new("#{source_group.class} has members that cannot belong to #{destination_group.class}")
    end
  end

  source_group.transaction do
    source_group.group_memberships.update_all(:group_id => destination_group.id)
    source_group.destroy
  end
end

#with_member(member) ⇒ Object 



51
52
53
54
 
# File 'lib/groupify/adapter/active_record/group.rb', line 51

def with_member(member)
  #joins(:group_memberships).where(:group_memberships => {:member_id => member.id, :member_type => member.class.to_s})
  member.groups
end